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Summary
Project pipit
Processed 2016-09-2223:55:06
CameraModelName(s) FC300XW_3.6_4000x3000(RGB)
AverageGroundSamplingDistance(GSD) 3.72cm/1.46in
AreaCovered 0.0373km2/3.732ha/0.0144sq.mi./9.2267acres
TimeforInitialProcessing(withoutreport) 07m:31s
QualityCheck
Images medianof23552keypointsperimage
Dataset 34outof37imagescalibrated(91%),allimagesenabled
CameraOptimization 3.41%relativedifferencebetweeninitialandoptimizedinternalcameraparameters
Matching medianof2808.12matchespercalibratedimage
Georeferencing yes,no3DGCP
Preview
Figure1:OrthomosaicandthecorrespondingsparseDigitalSurfaceModel(DSM)beforedensification.
CalibrationDetails
NumberofCalibratedImages 34outof37
NumberofGeolocatedImages 37outof37
InitialImagePositions
Figure2:Topviewoftheinitialimageposition.Thegreenlinefollowsthepositionoftheimagesintimestartingfromthelargebluedot.
ComputedImage/GCPs/ManualTiePointsPositions
Uncertaintyellipses5xmagnified
Figure3:Offsetbetweeninitial(bluedots)andcomputed(greendots)imagepositionsaswellastheoffsetbetweentheGCPsinitialpositions(bluecrosses)andtheircomputedpositions(greencrosses)inthetop-view(XYplane),front-view(XZplane),andside-view(YZplane).Reddotsindicatedisabledoruncalibratedimages.Dark
greenellipsesindicatetheabsolutepositionuncertaintyofthebundleblockadjustmentresult.
Absolutecamerapositionandorientationuncertainties
X[m] Y[m] Z[m] Omega[degree] Phi[degree] Kappa[degree]
Mean 1.331 1.331 3.307 2.977 1.810 0.755
Sigma 0.230 0.231 0.684 0.194 0.202 0.014
Overlap
Numberofoverlappingimages: 1 2 3 4 5+
Figure4:Numberofoverlappingimagescomputedforeachpixeloftheorthomosaic.Redandyellowareasindicatelowoverlapforwhichpoorresultsmaybegenerated.Greenareasindicateanoverlapofover5imagesforeverypixel.Goodquality
resultswillbegeneratedaslongasthenumberofkeypointmatchesisalsosufficientfortheseareas(seeFigure5forkeypointmatches).
BundleBlockAdjustmentDetails
Numberof2DKeypointObservationsforBundleBlockAdjustment 103452
Numberof3DPointsforBundleBlockAdjustment 38279
MeanReprojectionError[pixels] 0.176
InternalCameraParameters
FC300XW_3.6_4000x3000(RGB).SensorDimensions:6.317[mm]x4.738[mm]
EXIFID:FC300XW_3.6_4000x3000
FocalLength
PrincipalPointx
PrincipalPointy R1 R2 R3 T1 T2
InitialValues 2285.714[pixel]3.610[mm]
2000.000[pixel]3.159[mm]
1500.000[pixel]2.369[mm] 0.000 0.000 0.000 0.000 0.000
OptimizedValues 2363.775[pixel]3.733[mm]
1996.614[pixel]3.153[mm]
1506.984[pixel]2.380[mm] -0.016 0.015 0.001 -0.000 -0.000
Uncertainties(Sigma) 23.287[pixel]0.037[mm]
1.244[pixel]0.002[mm]
0.733[pixel]0.001[mm] 0.001 0.002 0.001 0.000 0.000
ThenumberofAutomaticTiePoints(ATPs)perpixelaveragedoverallimagesofthecameramodeliscolorcodedbetweenblackandwhite.Whiteindicatesthat,inaverage,morethan16ATPsareextractedatthispixellocation.Blackindicatesthat,inaverage,0ATPhasbeenextractedatthispixellocation.Clickontheimagetotheseetheaveragedirectionandmagnitudeofthereprojectionerrorforeachpixel.Notethatthevectorsarescaledforbettervisualization.
2DKeypointsTable
Numberof2DKeypointsperImage NumberofMatched2DKeypointsperImage
Median 23552 2808
Min 23181 200
Max 24772 7950
Mean 23700 3043
3DPointsfrom2DKeypointMatches
Numberof3DPointsObserved
In2Images 26028
In3Images 6377
In4Images 2588
In5Images 1247
In6Images 719
In7Images 483
In8Images 323
In9Images 171
In10Images 143
In11Images 85
In12Images 50
In13Images 32
In14Images 21
In15Images 9
In16Images 1
In17Images 2
2DKeypointMatches
Uncertaintyellipses100xmagnified
Numberofmatches
25 222 444 666 888 1111 1333 1555 1777 2000
Figure5:Computedimagepositionswithlinksbetweenmatchedimages.Thedarknessofthelinksindicatesthenumberofmatched2Dkeypointsbetweentheimages.Brightlinksindicateweaklinksandrequiremanualtiepointsormoreimages.Darkgreenellipsesindicatetherelativecamerapositionuncertaintyofthebundleblock
adjustmentresult.
Relativecamerapositionandorientationuncertainties
X[m] Y[m] Z[m] Omega[degree] Phi[degree] Kappa[degree]
Mean 0.058 0.060 0.057 0.071 0.095 0.024
Sigma 0.033 0.031 0.033 0.033 0.051 0.013
GeolocationDetails
AbsoluteGeolocationVariance
MinError[m] MaxError[m] GeolocationErrorX[%] GeolocationErrorY[%] GeolocationErrorZ[%]
- -15.00 0.00 0.00 0.00
-15.00 -12.00 0.00 0.00 0.00
-12.00 -9.00 0.00 0.00 0.00
-9.00 -6.00 0.00 0.00 0.00
-6.00 -3.00 0.00 0.00 2.94
-3.00 0.00 47.06 41.18 35.29
0.00 3.00 52.94 58.82 61.76
3.00 6.00 0.00 0.00 0.00
6.00 9.00 0.00 0.00 0.00
9.00 12.00 0.00 0.00 0.00
12.00 15.00 0.00 0.00 0.00
15.00 - 0.00 0.00 0.00
Mean[m] -0.000000 -0.000000 -0.000001
Sigma[m] 1.113721 0.470979 0.879307
RMSError[m] 1.113721 0.470979 0.879307
MinErrorandMaxErrorrepresentgeolocationerrorintervalsbetween-1.5and1.5timesthemaximumaccuracyofalltheimages.ColumnsX,Y,Zshowthepercentageofimageswithgeolocationerrorswithinthepredefinederrorintervals.Thegeolocationerroristhedifferencebetweentheintialandcomputedimagepositions.Note
thattheimagegeolocationerrorsdonotcorrespondtotheaccuracyoftheobserved3Dpoints.
RelativeGeolocationVariance
RelativeGeolocationError ImagesX[%] ImagesY[%] ImagesZ[%]
[-1.00,1.00] 100.00 100.00 100.00
[-2.00,2.00] 100.00 100.00 100.00
[-3.00,3.00] 100.00 100.00 100.00
MeanofGeolocationAccuracy[m] 5.000000 5.000000 10.000000
SigmaofGeolocationAccuracy[m] 0.000000 0.000000 0.000000
ImagesX,Y,ZrepresentthepercentageofimageswitharelativegeolocationerrorinX,Y,Z.
GeolocationOrientationalVariance RMS[degree]
Omega 1.585
Phi 1.384
Kappa 3.757
GeolocationRMSerroroftheorientationanglesgivenbythedifferencebetweentheinitialandcomputedimageorientationangles.
InitialProcessingDetails
SystemInformation
HardwareCPU:Intel(R)Core(TM)[email protected]:4GBGPU:noinfo(Driver:unknown)
OperatingSystem Darwin15.6.0x86_64
CoordinateSystems
ImageCoordinateSystem WGS84(egm96)
OutputCoordinateSystem WGS84/UTMzone50N(egm96)
ProcessingOptions
DetectedTemplate 3DMaps
KeypointsImageScale Full,ImageScale:1
Advanced:MatchingImagePairs AerialGridorCorridor
Advanced:MatchingStrategy UseGeometricallyVerifiedMatching:no
Advanced:KeypointExtraction TargetedNumberofKeypoints:Automatic
Advanced:Calibration
CalibrationMethod:StandardInternalParametersOptimization:AllExternalParametersOptimization:AllRematch:Auto,yes
PointCloudDensificationdetails
ProcessingOptions
ImageScale multiscale,1/2(Halfimagesize,Default)
PointDensity Optimal
MinimumNumberofMatches 3
3DTexturedMeshGeneration yes
3DTexturedMeshSettings: Resolution:MediumResolution(default)ColorBalancing:no
Advanced:3DTexturedMeshSettings SampleDensityDivider:1MaximumNumberofTrianglesperLeaf:8
Advanced:MatchingWindowSize 7x7pixels
Advanced:ImageGroups group1
Advanced:UseProcessingArea yes
Advanced:UseAnnotations yes
Advanced:LimitCameraDepthAutomatically no
TimeforPointCloudDensification 04m:02s
Timefor3DTexturedMeshGeneration 02m:09s
Results
NumberofProcessedClusters 6
NumberofGeneratedTiles 1
Numberof3DDensifiedPoints 945229
AverageDensity(perm3) 43.74
DSM,OrthomosaicandIndexDetails
ProcessingOptions
DSMandOrthomosaicResolution 1xGSD(3.72[cm/pixel])
DSMFilters NoiseFiltering:yesSurfaceSmoothing:yes,Type:Sharp
RasterDSMGenerated:yesMethod:InverseDistanceWeightingMergeTiles:yes
Orthomosaic
Generated:yesMergeTiles:yesGeoTIFFWithoutTransparency:noGoogleMapsTilesandKML:no
TimeforDSMGeneration 03m:01s
TimeforOrthomosaicGeneration 08m:16s